title: The effect of vitamin therapy upon serum blood levels.
authors.forename: H B
authors.initials: HB
authors.lastname: PIERCE
authors.forename: R F
authors.initials: RF
authors.lastname: KRAUSE
mesh_terms: D001769:Blood; D006801:Humans; D044623:Nutrition Therapy; D044967:Serum; D014815:Vitamins / Q000628:therapy*
chemical_list: D014815:Vitamins